* {
	box-sizing: border-box;
}

page {
	/* 定义根节点的最小高度为整个窗口的高度 */
	min-height: 100vh;  
	background-color: #f8f8f8;
	font-size: 22rpx;  /* 在iphone6尺寸的屏幕里：2rpx = 1px */
	color: #333;
}

.box {
	background-color: #fff;
	padding: 20rpx;
	border-radius: 10rpx;
	box-shadow: 0 4rpx 20rpx rgba(0, 0, 0, .1);
}
.category-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  grid-gap: 10rpx;
}